update readme

README.md

@@ -31,6 +31,10 @@ The user’s message goes here
 
 The recommended way is to use the GGUF `vistral-7b-chatml-Q4_K_M.gguf` file included in this repository. Run it via llama.cpp (remember to pass `-cml` argument to use chatml template)
 
+```bash
+./main -m vistral-7b-chatml-Q4_K_M.gguf -p "Bạn là một trợ lí Tiếng Việt nhiệt tình và trung thực." -cml
+```
+
 Run the `python3 run.py` inside this repository to try the model using transformers library. You may need to change some params inside in order to make it work.
 
 This is an example of a conversation using llama.cpp: